```html
<div class="demo-block" id="device-demo1">
  <lx-group>
    <lx-cell v-for="(key, val) in $device" :key="key" :title="key">{{val}}</lx-cell>
  </lx-group>
</div>

<script>
// Device.md
new Vue({
  el: '#device-demo1',
})
</script>
```